STRONG SEPTEMBER: The stock market has gotten off to a strong start in September, a stark contrast to August, the worst month since May 2012. The S&P 500 is up 3.1 percent.

MOVERS: Lululemon Athletica lost 5 percent to $65.29 after cutting its forecast for sales and profit this year, due partly to a product recall. Pandora Media climbed 12 percent to $23.97 after naming a new CEO. Men's Wearhouse plunged 12 percent to $34.08 after cutting its full-year profit forecast.